| Ottweiler to Novi di Modena | 355.34 mi (571.86 km) |
| Ottweiler to Novi Ligure | 327.32 mi (526.77 km) |
| Ottweiler to Nuoro | 634.17 mi (1,020.59 km) |
| Ottweiler to Occhiobello | 370.48 mi (596.23 km) |
| Ottweiler to Oderzo | 350.58 mi (564.20 km) |
| Ottweiler to Oggiono | 267.66 mi (430.75 km) |
| Ottweiler to Olbia | 594.73 mi (957.12 km) |
| Ottweiler to Oleggio | 269.10 mi (433.07 km) |
| Ottweiler to Olgiate Comasco | 261.40 mi (420.68 km) |
| Ottweiler to Olgiate Olona | 270.09 mi (434.67 km) |
| Ottweiler to Omegna | 247.85 mi (398.88 km) |
| Ottweiler to Opera | 291.43 mi (469.01 km) |
| Ottweiler to Oppeano | 338.01 mi (543.98 km) |
| Ottweiler to Orbassano | 301.71 mi (485.55 km) |
| Ottweiler to Orbetello | 516.45 mi (831.15 km) |
